Home / 10,409.14-14,366.37-8,187.94

Finding the Fourth Proportional to 10,409.14, 14,366.37 and 8,187.94

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Solution

The fourth proportional to 10,409.14, 14,366.37 and 8,187.94 is: 11,300.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.14 : 14,366.37 = 8,187.94 : x
  2. Step 2: Convert to fraction form
    10,409.14/14,366.37 = 8,187.94/x
  3. Step 3: Cross multiply
    10,409.14x = 14,366.37 × 8,187.94
  4. Step 4: Simplify right side
    10,409.14x = 117,630,975.58
  5. Step 5: Solve for x
    x = 117,630,975.58/10,409.14
  6. Step 6: Final answer
    x = 11,300.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.